package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.DishDto;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.entity.SetmealDto;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/setmeal")
@Api(tags = "套餐相关接口")
public class SetmealController {
    @Autowired
    private SetmealService setmealService;

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache" , allEntries = true)
    @ApiOperation(value = "新增套餐接口")
    public R<String> save(@RequestBody SetmealDto setmealDto){
        setmealService.saveWithDish(setmealDto);

        return R.success("添加成功");
    }

    @GetMapping("/page")
    @ApiOperation(value = "套餐分页查询接口")
    @ApiImplicitParams({
            @ApiImplicitParam(name = "page",value = "页码",required = true),
            @ApiImplicitParam(name = "pageSize",value = "每页记录数",required = true),
            @ApiImplicitParam(name = "name",value = "套餐名称",required = false)
    })
    public R<Page<SetmealDto>> page(int page,int pageSize,String name){
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);
        LambdaQueryWrapper<Setmeal> lqw=new LambdaQueryWrapper<>();
        lqw.like(name!=null,Setmeal::getName,name);
        lqw.orderByDesc(Setmeal::getUpdateTime);
        setmealService.page(pageInfo,lqw);
        Page<SetmealDto> result=new Page<>();
        BeanUtils.copyProperties(pageInfo,result,"records");
        List<Setmeal> records = pageInfo.getRecords();
        List<SetmealDto>  list=new ArrayList<>();
        for (Setmeal record : records) {

            SetmealDto setmealDto =new SetmealDto();
            BeanUtils.copyProperties(record,setmealDto);
            Long categoryId = record.getCategoryId();
            String categoryName = categoryService.getById(categoryId).getName();
            setmealDto.setCategoryName(categoryName);
            list.add(setmealDto);
        }

        result.setRecords(list);
        return R.success(result);
    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache" , allEntries = true)//删除setmealCache名称下所有的缓存数据
    @ApiOperation(value = "套餐删除接口")
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.delete(ids);
        return R.success("删除成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @Cacheable(value = "setmealCache" , key = "#setmeal.categoryId+'_'+#setmeal.status")
    @GetMapping("/list")
    @ApiOperation(value = "套餐条件查询接口")
    public R<List<Setmeal>> list(Setmeal setmeal){
        Long categoryId = setmeal.getCategoryId();
        LambdaQueryWrapper<Setmeal> lqw=new LambdaQueryWrapper<>();
        lqw.eq(categoryId!=null,Setmeal::getCategoryId,categoryId);
        lqw.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        lqw.orderByDesc(Setmeal::getUpdateTime);
        List<Setmeal> list = setmealService.list(lqw);
        return R.success(list);
    }
}
